MC68HC08AZ60 Datasheet, PDF (271/452 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
Modulo Timer (TIM)
Functional Description
INTERNAL
BUS CLOCK
PRESCALER
CSTOP
CRST
16-BIT COUNTER
PRESCALER SELECT
PS2
PS1
PS0
16-BIT COMPARATOR
TIMTMODH:TIMTMODL
Figure 1. TIM Block Diagram
TOF
INTER-
RUPT
TOIE
LOGIC
Register Name
Bit 7
6
5
4
3
2
Read: TOF
0
0
TIM Status and Control Register
(TSC)
Write:
0
TOIE TSTOP
TRST
PS2
Reset: 0
0
1
0
0
0
Read: Bit 15
14
13
12
11
10
TIM Counter Register High
(TCNTH)
Write:
Reset: 0
0
0
0
0
0
Read: Bit 7
6
5
4
3
2
TIM Counter Register Low
(TCNTL)
Write:
Reset: 0
0
0
0
0
0
Read:
TIM Counter Modulo Register High
(TMODH)
Write:
Bit 15
14
13
12
11
10
Reset: 1
1
1
1
1
1
Read:
TIM Counter Modulo Register Low
(TMODL)
Write:
Bit 7
6
5
4
3
2
Reset: 1
1
1
1
1
1
=Unimplemented
Figure 2. TIM I/O Register Summary
Table 1. TIM I/O Register Address Summary
Register TSC TCNTH TCNTL TMODH TMODL
Address $004B $004C $004D $004E $004F
1
Bit 0
PS1
PS0
0
0
9
Bit 8
0
0
1
Bit 0
0
0
9
Bit 8
1
1
1
Bit 0
1
1
3-tim
MOTOROLA
MC68HC08AZ60 — Rev 1.0
Modulo Timer (TIM)
271
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